net/haproxy: SSL fixes & more – version 1.4

ok @fraenki

net/haproxy: Avoid duplicate port option (linked to commit new option…

net/haproxy: Avoid duplicate port option (linked to commit new option "checkport" for health checks SHA-1: f14eebe9)

net/haproxy: chroot fixes

net/haproxy: syslog & security enhancements

net/haproxy: enhance "checkport" option & more fixes

net/haproxy new feature "source address"

Fix bugs & add feature

Fix service unable to run with uid in global ("Some configuration options require full privileges, so global.uid cannot be changed."): chroot and others (need to list them, so may be we can set it dynamically)

Add no port support in backend server
Add port to check in server